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Principal Research Engineer, Post-Training

Character.AI

Staff+Redwood City, CA

Lead the next wave of AI-driven entertainment.

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About Character.AI

Character.AI empowers people to connect, learn and tell stories through interactive entertainment.

What you'd do

Lead post-training system design
Mentor a team of researchers
Develop alignment algorithms
Create scalable data pipelines

What they're looking for

PhD in Computer Science or related
Experience leading ML projects
Deep understanding of ML techniques
Strong software engineering skills